- norma
- 定规: established rule or practice ...
- 座: seat; place
- 定规: 1.(一定的规矩; 成规) established rule or practice; established rules and regulations; set pattern 并无定规。 there's no hard-and-fast rule.2.[方言] (一定) be bent on; be determined
- 圆规座: circinus (cir)
- 正规座标: normal coordinate
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